Standard Ignition SLS-315 Brake Light Switch
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Standard Ignition

Standard Ignition SLS-315 Brake Light Switch

Brand Standard Ignition SLS-315
Color White
Connector Gender Female
Finish Plastic
Functions Stoplight Switch
Terminal Gender Male
Terminal Type Pin
Fits Audi and Volkswagen · 51 vehicles

Spring-activated design. Provides consistent stoplight switch operation.

Push-in attachment. Installs without added mounting hardware.

4-pin connector. Female rectangular connector with male terminals.

Cross-references Standard Ignition SLS-315, 4A0945515 and 322945515 for the same application. See all 6.

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Brake Light Switch for Audi and Volkswagen

Standard Ignition SLS-315 is a 12-volt brake light switch with a spring activation style and push-in attachment method. It uses a single rectangular female connector with four male pin terminals and a white plastic and metal finish for direct stoplight switch service.

Key Features

  • Brake light switch / stoplight switch for electrical and body system repair
  • 4-terminal design with rectangular connector and pin terminals
  • Spring-actuated, push-in mounting style
  • 12-volt electrical specification
  • Plastic and metal construction with white finish
  • Connector quantity: 1; connector gender: female; terminal gender: male
  • Standard Ignition SLS-315 for OE-style replacement service

Detailed Description

Standard Ignition SLS-315 is a brake light switch used to restore stoplamp circuit operation in select Audi and Volkswagen applications. It is built with a 4-pin terminal layout, rectangular connector shape, and spring activation to match the original stoplight switch function on vehicles that use this configuration. This part cross-references 4A0945515 and RB437 for the same application. Common fitment includes 1995-2002 Audi A6 and A6 Quattro, 1996-2001 Audi A4, 1998-2001 Audi A4 Quattro, 1997-2000 Audi A8, 2000-2003 Audi A8 Quattro, 2001-2003 Audi S8, 2001-2002 Audi Allroad Quattro, 2002 Audi S6, 2001 Audi S6, 2002 Volkswagen Passat, and 1998-2001 Volkswagen Passat with cruise control. The SLS-315 part number is also listed for interchange reference in brake light switch service.

What It Helps Fix

  • Brake lamps that do not illuminate when the pedal is pressed
  • Intermittent stoplight operation
  • Brake switch electrical faults tied to the pedal circuit
  • Cruise control concerns on listed Volkswagen Passat applications
  • Switch wear or connector-related stoplight signal loss

Installation Notes and Tips

Verify the vehicle uses a 4-pin brake light switch before ordering. Confirm connector shape, terminal count, and mounting style against the original part on the vehicle. This switch uses a push-in attachment method and does not include a wiring harness, mounting bracket, or hardware. For best results, compare the existing switch and connector layout to the SLS-315 before installation.

Quality Assurance

Standard Ignition supplies this brake light switch as a replacement electrical component for listed Audi and Volkswagen applications. The SLS-315 is built to match the specified connector, terminal, and activation requirements for direct stoplight switch service.

Related reading

This part fits 51 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelDrive TypeLitersCylindersPositionNotes
2003AudiA8 Quattro———N/A4 Pin Term.
2003AudiS8—4.2LV8N/A4 Pin Term.
2002AudiA6———N/A4 Pin Term.
2002AudiA6 Quattro———N/A4 Pin Term.
2002AudiA8 Quattro———N/A4 Pin Term.
2002AudiAllroad Quattro—2.7LV6N/ATo VIN 150000
2002AudiS6—4.2LV8N/A4 Pin Term.
2002AudiS8—4.2LV8N/A4 Pin Term.
2002VolkswagenPassat———N/A—
2001AudiA4———N/A4 Pin Term.
2001AudiA4 Quattro———N/A4 Pin Term.
2001AudiA6———N/A4 Pin Term.
2001AudiA6 Quattro———N/A4 Pin Term.
2001AudiA8 Quattro———N/A4 Pin Term.
2001AudiAllroad Quattro—2.7LV6N/ATo VIN 150000
2001AudiS6—4.2LV8N/A—
2001AudiS8—4.2LV8N/A4 Pin Term.
2001VolkswagenPassat———N/ABrake Light Switch for vehicles with Cruise Control.
2000AudiA4———N/A4 Pin Term.
2000AudiA4 Quattro———N/A4 Pin Term.
2000AudiA6———N/A4 Pin Term.
2000AudiA6 Quattro———N/A4 Pin Term.
2000AudiA8———N/A4 Pin Term.
2000AudiA8 Quattro———N/A4 Pin Term.
2000VolkswagenPassat———N/ABrake Light Switch for vehicles with Cruise Control.
1999AudiA4———N/A4 Pin Term.
1999AudiA4 Quattro———N/A4 Pin Term.
1999AudiA6———N/A4 Pin Term.
1999AudiA6 Quattro———N/A4 Pin Term.
1999AudiA8FWD——N/A4 Pin Term.
1999AudiA8 QuattroAWD——N/A—
1999VolkswagenPassat———N/ABrake Light Switch for vehicles with Cruise Control.
1998AudiA4———N/A4 Pin Term.
1998AudiA4 Quattro———N/A4 Pin Term.
1998AudiA6———N/A4 Pin Term.
1998AudiA6 Quattro———N/A4 Pin Term.
1998AudiA8FWD——N/A4 Pin Term.
1998AudiA8 QuattroAWD——N/A—
1998VolkswagenPassat———N/ABrake Light Switch for vehicles with Cruise Control.
1997AudiA4FWD——N/A4 Pin Term.
1997AudiA4 QuattroAWD——N/A—
1997AudiA6———N/A4 Pin Term.
1997AudiA6 Quattro———N/A4 Pin Term.
1997AudiA8FWD——N/A4 Pin Term.
1997AudiA8 QuattroAWD——N/A—
1996AudiA4FWD——N/A4 Pin Term.
1996AudiA4 QuattroAWD——N/A—
1996AudiA6———N/A4 Pin Term.
1996AudiA6 Quattro———N/A4 Pin Term.
1995AudiA6———N/A4 Pin Term.
1995AudiA6 Quattro———N/A4 Pin Term.
Directly replaces or cross-references 6 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — SLS-3154A0945515322945515RB437SL865SL2055